Overview In a previous post, I had shared some pics of the dev board I had been working on. It contained a variety of features that I felt would be useful on a dev board. However, due to a mistake on my part, there were shorts in the design due to my misunderstanding of how…
Category: GPIO Expanders
ESP8266 Wemos D1 Mini GPIO Expander
Overview So a few years ago, I had purchased a good number of Wemos D1 Mini modules. However, I never got around to actually doing anything with them other than giving them away every now and then. Design Considerations The number of GPIO on the board is woefully low, if you wanted to control a…